Cite

APA Citation

    Bernuau, J., Danan, G., Belghiti, J., & Molas, G. (1981). duodenal ulceration--is endoscopic biopsy necessary?. BMJ, 282(6275), 1545. http://access.bl.uk/ark:/81055/vdc_100181461387.0x00001e
  
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